2,7,16,25,小学找规律

物体以加速度为2m/s²作直线运动,则下列说法正确的是1.物体速度的变化量为2m/s2.任意1s内末速度是初速度的2倍3.每经过1s,物体的速度增加2m/s4.第n秒初的速度一定比第（n-1）秒末的速度大2m/ you shuld have put the book where you found it 试述货币形式发展演变的规律,以及货币形式的发展演变对经济的影响 如题·劣币驱逐良币,在货币形态演变中是如何发挥作用? 法律制度的变化是货币形态演进的主要原因吗? 两箱茶叶共重96千克,如果从甲箱取出12千克放入乙箱那么乙箱是甲的三倍,两箱原来有多少千克? 甲乙两箱茶叶共重96千克从甲箱取出16千克放入乙箱,那么乙的千克数是甲的3倍原来两箱茶叶个有多少千克?用方程并解答 两箱茶叶共重120千克,如果从甲箱取出28千克放入乙箱,那么乙箱的千克数是甲箱的3 this is a good book every time you read it you will find-----.a,something.b,new thing.c,new something.d,nothing new “After I read a good book I have a hard time coping with reality.” 想知道如何翻译?怎么翻译?从什么地方开始入手?why we read?难道，Read， 就是为了难于面对现实么？ Harry Port is ()good book that I'll read it ()second time.A such...theB so...theC such a ...aD such the ...a i think it good to read book if you have time when make you feel bored 是不是定语从句详细讲解一下 I was surprised to see that the man was so patient and could stand his wife's( )////books和,food和words选哪个, 用反证法证明圆的两条不是直径 一超市为了促销茶叶,推出优惠一次购买茶叶超过2千克,可优惠15%,王师傅购买了单价为200元每千克的茶叶3千克,则他应付( )元 售货员把50千克茶叶分装成袋,每袋装4/5千克,可以装多少袋?还与多少千克?（写好过程） 地球表面一平方所受大气压等于?地球表面一平方所受大气压等于这一平方单位时间受上方作热运动空气分子对它碰撞的冲量加上这一平米的大气重量对吗 很复杂的计算1 + 1+2分之1 + 1+2+3分之1 + 1+2+3+4分之1 +.+ 1+2+3...+1999分之1 三个小正方体叠放在一起,体积是不变的. now that和since作既然讲,有什么区别? in that是否等于since和now that 我们有一道语文题,我不会 ： 2.成语接龙. 粗心大意—— （注：至少写18个.） 作“因为”讲时,because,as,since,for有什么区别?都怎么用? This farm animal has got four legs.It's eating.And it's mooing. 这是什么动物? 英语谜语lt has a mouth and an ear ,but it has no head or legs.lt has no head but wears a hat,lt has a mouth and an ear ,but it has no head or legs.lt has no head but wears a hat,lt has a mouth but can't speak. 英语谜语问：What has no legs,but can walk all day and all night? 一道小心数学题如果abc代表一个3位数a为百位b为十位c为个位,def也是代表一个3位数,abcdef位6位数,现在已知abc这个3位数加def这个3位数能被37整除,求证abcdef这个6位数能被37整除. 猜一个英语谜语：What has no legs,but can walk all day and all night?It's_________________. It is long.It has no legs.It's a dangerous animal.是什么动物 若代数式ax^3-3x^2-cx-3x^3+bx^2-3是关于x的二次式,则（ ）（A）a=3,b≠3 （B）a≠3,b=3（C）a≠3,b≠-3（D）a=-3,b=-3 注意是要用"分式方程"呀!A,B两地相距80千米,甲由A地出发B地,1时后,乙用1.5倍的速度从A地出发追甲.当乙追到B地时,甲已早到20分.求甲的速度._________________________________________________________________某 because,since,as,now that,for之间的区别